DBMS crossword puzzle

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Across
  1. 2. The keyword used in the select query to eliminate the duplicate tuples is _____.
  2. 6. The transaction said to be successfully executed when __________statement is executed.
  3. 7. ______ operation is used to return rows of the input relation that satisfy the predicate in relational algebra operations.
  4. 8. The overall design of the database is called the database ____.
  5. 10. The database is partitioned into fixed-length storage units called ______.
  6. 11. _____ key of an entity set allows us to distinguish among the various entities of the set.
  7. 12. Which NF(normal form) is considered adequate for normal relational database design?
Down
  1. 1. A functional dependency is a relationship between _____.
  2. 3. Which refers to a property of computer to run several operation simultaneously and possible as computers await response of each other?
  3. 4. ______ attributes can be divided into sub parts.
  4. 5. __________ is the acronym of four properties that a transaction should satisfy.
  5. 9. The property of a transaction that persists all the crashes is ________.